<!DOCTYPE html>
<html>
  <body>
    <input type="checkbox" aria-label="Enabled">
    <input type="checkbox" disabled aria-label="Disabled">

    <button>Enabled</button>
    <button disabled>Disabled</button>

    <form>
      Enabled form
      <input type="checkbox" aria-label="Checkbox">
      <button>Button</button>
    </form>
    <form aria-disabled="true">
      Disabled form
      <input type="checkbox" aria-label="Checkbox">
      <button>Button</button>
    </form>
  </body>
</html>
